Make callers of CommandLine use it via the base:: namespace.

chrome/browser/chromeos/app_mode/kiosk_app_manager_browsertest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
 
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 167 matching lines @@
     ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
     // Stop IO thread here because no threads are allowed while
     // spawning sandbox host process. See crbug.com/322732.
     embedded_test_server()->StopThread();
 
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 
     InProcessBrowserTest::SetUp();
   }
 
-  virtual void SetUpCommandLine(CommandLine* command_line) override {
+  virtual void SetUpCommandLine(base::CommandLine* command_line) override {
     InProcessBrowserTest::SetUpCommandLine(command_line);
 
     // Initialize fake_cws_ to setup web store gallery.
     fake_cws_->Init(embedded_test_server());
   }
 
   virtual void SetUpOnMainThread() override {
     InProcessBrowserTest::SetUpOnMainThread();
 
     // Restart the thread as the sandbox host process has already been spawned.
@@ skipping 484 matching lines @@
   manager()->GetConsumerKioskAutoLaunchStatus(
       base::Bind(&ConsumerKioskAutoLaunchStatusCheck,
                  status.get(),
                  runner3->QuitClosure()));
   runner3->Run();
   EXPECT_EQ(*status.get(),
             KioskAppManager::CONSUMER_KIOSK_AUTO_LAUNCH_DISABLED);
 }
 
 }  // namespace chromeos